package com.example.consumer;

import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;

import java.io.IOException;

@Component
@RabbitListener(queues = "hello")
public class ConsumerService{

	@RabbitHandler
	public void process(String hello,Channel channel, Message message) throws IOException {
		System.out.println("HelloReceiver收到  : " + hello);
		try {
//			if(true) throw new RuntimeException(); //可以测试发送失败的情况
			//告诉服务器收到这条消息 已经被我消费了 可以在队列删掉 这样以后就不会再发了 否则消息服务器以为这条消息没处理掉 后续还会在发
			channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
			System.out.println("receiver success");
		} catch (Throwable e) {
			e.printStackTrace();
//			//丢弃这条消息
//			channel.basicNack(message.getMessageProperties().getDeliveryTag(), false,false);
			System.out.println("receiver fail");
		}

	}

}
